Comments on: Changes are coming…

By: mike

mike — Thu, 25 Jun 2009 19:04:56 +0000

No problem :o)

By: Garfeild

Garfeild — Thu, 25 Jun 2009 19:03:48 +0000

Thank you! I knew you can help ;)

By: mike

mike — Thu, 25 Jun 2009 18:56:54 +0000

Hi Garfield. This is something myself and others from the blog have come across. In the appdelegate you need to use the code below rather than just [glView startAnimation] or whatever method you are calling :o)

[glView performSelectorOnMainThread:@selector(mainGameLoop) withObject:nil waitUntilDone:NO];

Hope that helps.

Mike

By: Garfeild

Garfeild — Thu, 25 Jun 2009 18:54:23 +0000

Hello Mike!
Your tutorials is greate!
But I found strange error in you tutorials when I tried to run them on iPhone OS 3.0. I see only black screen. This error begins at tutorial 3.

By: mike

mike — Sat, 20 Jun 2009 18:04:13 +0000

@A Person, I’m not planning on covering that at the moment. The detection is really around AABB (Axis Aligned Bounding Boxes). If I have something which rotates then I normally use bounding circles as rotation does not change it :o)

I may look into more complex collision detection later.

Mike

By: A Person

A Person — Sat, 20 Jun 2009 17:54:42 +0000

Hey mike are you going to be covering rotated collision detections in your upcoming tutorial?

By: mike

mike — Tue, 16 Jun 2009 21:33:22 +0000

Thanks Peter. I’m hoping to get the Tutorial finished asap, but things are hectic at the moment :o)

Mike

By: Peter

Peter — Tue, 16 Jun 2009 17:11:52 +0000

I can’t wait for this tutorial Mike. Thanks for all the awesome work!

By: A Person

A Person — Tue, 16 Jun 2009 02:06:59 +0000

Hey Mike sorry to bother you again but I’m no that familiar with errors yet so here’s what happens.

When i Build and Go on my project once it loads it points a red arrow to lines of code that use the tiles array and the gdb says Program received signal EXC_BAD_ACCES don’t have a clue what that means, so here is my code.

- (BOOL)detectCollisionForLayer:(int)number TiledMap:(TiledMap*)tiledMap rectObject:(Image*)objectOne offsetX:(float)offsetx offsetY:(float)offsety {
Layer *layer = [[tiledMap layers] objectAtIndex:number];

float spriteTileX = objectOne.origin.x / tiledMap.tileWidth;
float spriteTileY = objectOne.origin.y / tiledMap.tileHeight;

int tileX = 0 + tiledMap.mapLocation.x;
int tileY = 0 + tiledMap.mapLocation.y;

BOOL tiles[(int)320 / tiledMap.tileWidth][(int)480 / tiledMap.tileHeight];

while(tileY < layer.layerHeight – 1) {
while(tileX < layer.layerWidth – 1) {
int globalID = [layer getGlobalTileIDAtX:tileX + tiledMap.mapLocation.x y:tileY + tiledMap.mapLocation.y];
if(globalID != 0) {
int tileOnGridY =(int) (tileY + 1) * tiledMap.tileHeight – tiledMap.tileHeight – tiledMap.origin.y;
int tileOnGridX =(int) tiledMap.origin.x + (tileX + 1) * tiledMap.tileWidth – tiledMap.tileWidth;
tiles[(int)tileOnGridX / tiledMap.tileWidth][(int)tileOnGridY / tiledMap.tileHeight] = YES;
}
tileX++;
}
tileY++;
}
if(tiles[(int)spriteTileX + 1][(int)spriteTileY] == YES | tiles[(int)spriteTileX - 1][(int)spriteTileY] == YES | tiles[(int)spriteTileX][(int)spriteTileY - 1] == YES | tiles[(int)spriteTileX][(int)spriteTileY + 1] == YES) {
return YES;
} else {
return NO;
}
}

Thanks Mike can't wait to see tutorial 10

By: Mr Speaker

Mr Speaker — Mon, 15 Jun 2009 21:56:06 +0000

Wooo! I’m interested in the scene class – sounds like a cool idea.

Hey Greg, perhaps you could post a small write-up somewhere on how you did your views/viewControllers – I’m sure there are a zillion ways to structure a game, so it would be good to see how everyone does it!